LITTLE ROCK  The top 20 movies at U.S. and Canadian theaters Friday through Sunday, followed by distribution studio, gross, number of theater locations, average receipts per location, total gross and number of weeks in release, as compiled Monday by Hollywood.com are: 1. Wreck-It Ralph, Disney, $49,038,712, 3,752 locations, $13,070 average, $49,038,712, one week.